On August 14th, Haiti was hit with a powerful 7.2 magnitude earthquake. What does a 7.2 magnitude earthquake imply? What’s a seismometer. What is the amplitude of a seismograph and what does it mean? Use our Richter scale activity to introduce your students to logarithmic Richter magnitudes.

# Tag: HSF.LE.A.1

## Does an NFL player’s draft order mean a lot for the player?

## Wind chill

Students use the National Weather System chart to gauge wind chill, examine the patterns that correlate increasing wind and/or decreasing temperatures, use wind chill numbers to estimate possible wind and temperature factors, and generally become familiar with this sort of interpolation and calculation.